Hard
Puzzle
3
4
8
1
4
4
5
8
6
2
6
1
5
3
2
5
4
1
7
9
8
5
2
6
7
Logic required
Pairs
Hardest technique: Naked Pair
In this puzzle
- 40 Naked Single
- 37 Hidden Single
- 10 Pointing
- 10 Box/Line Reduction
- 16 Naked Pair
- 53 Hidden Pair
- 12 Naked Triple
- 49 Hidden Triple
- 11 Naked Quad
- 33 Hidden Quad
- 5 X-Wing
- 7 Swordfish
- 8 Jellyfish
- 4 Skyscraper
- 3 Two-String Kite
- 9 Simple Colouring
- 5 Empty Rectangle
- 5 Y-Wing
- 2 XYZ-Wing
- 1 W-Wing
- 56 WXYZ-Wing
Solution
Solve the puzzle to reveal the solution.